jdk/src/macosx/native/sun/awt/CImage.m - platform/libcore - Git at Google

 /*
  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 #import <Cocoa/Cocoa.h>
 #import <JavaNativeFoundation/JavaNativeFoundation.h>

 #import "GeomUtilities.h"
 #import "ThreadUtilities.h"

 #import "sun_lwawt_macosx_CImage.h"


 static void CImage_CopyArrayIntoNSImageRep
 (jint *srcPixels, jint *dstPixels, int width, int height)
 {
     int x, y;
     // TODO: test this on big endian systems (not sure if its correct)...
     for (y = 0; y < height; y++) {
         for (x = 0; x < width; x++) {
             jint pix = srcPixels[x];
             jint a = (pix >> 24) & 0xff;
             jint r = (pix >> 16) & 0xff;
             jint g = (pix >>  8) & 0xff;
             jint b = (pix      ) & 0xff;
             dstPixels[x] = (b << 24) | (g << 16) | (r << 8) | a;
         }
         srcPixels += width; // TODO: use explicit scanStride
         dstPixels += width;
     }
 }

 static void CImage_CopyNSImageIntoArray
 (NSImage *srcImage, jint *dstPixels, int width, int height)
 {
     CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
     CGContextRef cgRef = CGBitmapContextCreate(dstPixels, width, height, 8, width * 4, colorspace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
     CGColorSpaceRelease(colorspace);
     NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithGraphicsPort:cgRef flipped:NO];
     CGContextRelease(cgRef);
     NSGraphicsContext *oldContext = [[NSGraphicsContext currentContext] retain];
     [NSGraphicsContext setCurrentContext:context];
     NSRect rect = NSMakeRect(0, 0, width, height);
     [srcImage drawInRect:rect
                 fromRect:rect
                operation:NSCompositeSourceOver
                 fraction:1.0];
     [NSGraphicsContext setCurrentContext:oldContext];
     [oldContext release];
 }

 static NSBitmapImageRep* CImage_CreateImageRep(JNIEnv *env, jintArray buffer, jint width, jint height)
 {
     NSBitmapImageRep* imageRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
                                                                          pixelsWide:width
                                                                          pixelsHigh:height
                                                                       bitsPerSample:8
                                                                     samplesPerPixel:4
                                                                            hasAlpha:YES
                                                                            isPlanar:NO
                                                                      colorSpaceName:NSDeviceRGBColorSpace
                                                                        bitmapFormat:NSAlphaFirstBitmapFormat
                                                                         bytesPerRow:width*4 // TODO: use explicit scanStride
                                                                        bitsPerPixel:32];

     jint *imgData = (jint *)[imageRep bitmapData];
     if (imgData == NULL) return 0L;

     jint *src = (*env)->GetPrimitiveArrayCritical(env, buffer, NULL);
     if (src == NULL) return 0L;

     CImage_CopyArrayIntoNSImageRep(src, imgData, width, height);

     (*env)->ReleasePrimitiveArrayCritical(env, buffer, src, JNI_ABORT);

     return imageRep;
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeCreateNSImageFromArray
  * Signature: ([III)J
  */
 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromArray
 (JNIEnv *env, jclass klass, jintArray buffer, jint width, jint height)
 {
     jlong result = 0L;

 JNF_COCOA_ENTER(env);

     NSBitmapImageRep* imageRep = CImage_CreateImageRep(env, buffer, width, height);
     if (imageRep) {
         NSImage *nsImage = [[NSImage alloc] initWithSize:NSMakeSize(width, height)];
         [nsImage addRepresentation:imageRep];
         [imageRep release];

         if (nsImage != nil) {
             CFRetain(nsImage); // GC
         }

         result = ptr_to_jlong(nsImage);
     }

 JNF_COCOA_EXIT(env);

     return result;
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeCreateNSImageFromArrays
  * Signature: ([[I[I[I)J
  */
 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromArrays
 (JNIEnv *env, jclass klass, jobjectArray buffers, jintArray widths, jintArray heights)
 {
     jlong result = 0L;

 JNF_COCOA_ENTER(env);

     jsize num = (*env)->GetArrayLength(env, buffers);
     NSMutableArray * reps = [NSMutableArray arrayWithCapacity: num];

     jint * ws = (*env)->GetIntArrayElements(env, widths, NULL);
     jint * hs = (*env)->GetIntArrayElements(env, heights, NULL);

     jsize i;
     for (i = 0; i < num; i++) {
         jintArray buffer = (*env)->GetObjectArrayElement(env, buffers, i);

         NSBitmapImageRep* imageRep = CImage_CreateImageRep(env, buffer, ws[i], hs[i]);
         if (imageRep) {
             [reps addObject: imageRep];
         }
     }

     (*env)->ReleaseIntArrayElements(env, heights, hs, JNI_ABORT);
     (*env)->ReleaseIntArrayElements(env, widths, ws, JNI_ABORT);

     if ([reps count]) {
         NSImage *nsImage = [[NSImage alloc] initWithSize:NSMakeSize(0, 0)];
         [nsImage addRepresentations: reps];

         if (nsImage != nil) {
             CFRetain(nsImage); // GC
         }

         result = ptr_to_jlong(nsImage);
     }

 JNF_COCOA_EXIT(env);

     return result;
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeCreateNSImageFromIconSelector
  * Signature: (I)J
  */
 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromIconSelector
 (JNIEnv *env, jclass klass, jint selector)
 {
     NSImage *image = nil;

 JNF_COCOA_ENTER(env);

     IconRef iconRef;
     if (noErr == GetIconRef(kOnSystemDisk, kSystemIconsCreator, selector, &iconRef)) {
         image = [[NSImage alloc] initWithIconRef:iconRef];
         if (image) CFRetain(image); // GC
         ReleaseIconRef(iconRef);
     }

 JNF_COCOA_EXIT(env);

     return ptr_to_jlong(image);
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeCreateNSImageFromFileContents
  * Signature: (Ljava/lang/String;)J
  */
 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromFileContents
 (JNIEnv *env, jclass klass, jstring file)
 {
     NSImage *image = nil;

 JNF_COCOA_ENTER(env);

     NSString *path = JNFNormalizedNSStringForPath(env, file);
     image = [[NSImage alloc] initByReferencingFile:path];
     if (image) CFRetain(image); // GC

 JNF_COCOA_EXIT(env);

     return ptr_to_jlong(image);
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeCreateNSImageOfFileFromLaunchServices
  * Signature: (Ljava/lang/String;)J
  */
 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageOfFileFromLaunchServices
 (JNIEnv *env, jclass klass, jstring file)
 {
     __block NSImage *image = nil;

 JNF_COCOA_ENTER(env);

     NSString *path = JNFNormalizedNSStringForPath(env, file);
     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
         image = [[NSWorkspace sharedWorkspace] iconForFile:path];
         [image setScalesWhenResized:TRUE];
         if (image) CFRetain(image); // GC
     }];

 JNF_COCOA_EXIT(env);

     return ptr_to_jlong(image);
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeCreateNSImageFromImageName
  * Signature: (Ljava/lang/String;)J
  */
 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromImageName
 (JNIEnv *env, jclass klass, jstring name)
 {
     NSImage *image = nil;

 JNF_COCOA_ENTER(env);

     image = [NSImage imageNamed:JNFJavaToNSString(env, name)];
     if (image) CFRetain(image); // GC

 JNF_COCOA_EXIT(env);

     return ptr_to_jlong(image);
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeCopyNSImageIntoArray
  * Signature: (J[III)V
  */
 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeCopyNSImageIntoArray
 (JNIEnv *env, jclass klass, jlong nsImgPtr, jintArray buffer, jint w, jint h)
 {
 JNF_COCOA_ENTER(env);

     NSImage *img = (NSImage *)jlong_to_ptr(nsImgPtr);
     jint *dst = (*env)->GetPrimitiveArrayCritical(env, buffer, NULL);
     if (dst) {
         CImage_CopyNSImageIntoArray(img, dst, w, h);
         (*env)->ReleasePrimitiveArrayCritical(env, buffer, dst, JNI_ABORT);
     }

 JNF_COCOA_EXIT(env);
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeGetNSImageSize
  * Signature: (J)Ljava/awt/geom/Dimension2D;
  */
 JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CImage_nativeGetNSImageSize
 (JNIEnv *env, jclass klass, jlong nsImgPtr)
 {
     jobject size = NULL;

 JNF_COCOA_ENTER(env);

     size = NSToJavaSize(env, [(NSImage *)jlong_to_ptr(nsImgPtr) size]);

 JNF_COCOA_EXIT(env);

     return size;
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeSetNSImageSize
  * Signature: (JDD)V
  */
 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeSetNSImageSize
 (JNIEnv *env, jclass clazz, jlong image, jdouble w, jdouble h)
 {
     if (!image) return;
     NSImage *i = (NSImage *)jlong_to_ptr(image);

 JNF_COCOA_ENTER(env);

     [i setScalesWhenResized:TRUE];
     [i setSize:NSMakeSize(w, h)];

 JNF_COCOA_EXIT(env);
 }

 /*
  * Class:     sun_lwawt_macosx_CImage
  * Method:    nativeResizeNSImageRepresentations
  * Signature: (JDD)V
  */
 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeResizeNSImageRepresentations
 (JNIEnv *env, jclass clazz, jlong image, jdouble w, jdouble h)
 {
     if (!image) return;
     NSImage *i = (NSImage *)jlong_to_ptr(image);

 JNF_COCOA_ENTER(env);

     NSImageRep *imageRep = nil;
     NSArray *imageRepresentations = [i representations];
     NSEnumerator *imageEnumerator = [imageRepresentations objectEnumerator];
     while ((imageRep = [imageEnumerator nextObject]) != nil) {
         [imageRep setSize:NSMakeSize(w, h)];
     }

 JNF_COCOA_EXIT(env);
 }
	/*
	* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	#import <Cocoa/Cocoa.h>
	#import <JavaNativeFoundation/JavaNativeFoundation.h>

	#import "GeomUtilities.h"
	#import "ThreadUtilities.h"

	#import "sun_lwawt_macosx_CImage.h"


	static void CImage_CopyArrayIntoNSImageRep
	(jint srcPixels, jint dstPixels, int width, int height)
	{
	int x, y;
	// TODO: test this on big endian systems (not sure if its correct)...
	for (y = 0; y < height; y++) {
	for (x = 0; x < width; x++) {
	jint pix = srcPixels[x];
	jint a = (pix >> 24) & 0xff;
	jint r = (pix >> 16) & 0xff;
	jint g = (pix >> 8) & 0xff;
	jint b = (pix ) & 0xff;
	dstPixels[x] = (b << 24) \| (g << 16) \| (r << 8) \| a;
	}
	srcPixels += width; // TODO: use explicit scanStride
	dstPixels += width;
	}
	}

	static void CImage_CopyNSImageIntoArray
	(NSImage srcImage, jint dstPixels, int width, int height)
	{
	CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
	CGContextRef cgRef = CGBitmapContextCreate(dstPixels, width, height, 8, width * 4, colorspace, kCGImageAlphaPremultipliedFirst \| kCGBitmapByteOrder32Host);
	CGColorSpaceRelease(colorspace);
	NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithGraphicsPort:cgRef flipped:NO];
	CGContextRelease(cgRef);
	NSGraphicsContext *oldContext = [[NSGraphicsContext currentContext] retain];
	[NSGraphicsContext setCurrentContext:context];
	NSRect rect = NSMakeRect(0, 0, width, height);
	[srcImage drawInRect:rect
	fromRect:rect
	operation:NSCompositeSourceOver
	fraction:1.0];
	[NSGraphicsContext setCurrentContext:oldContext];
	[oldContext release];
	}

	static NSBitmapImageRep* CImage_CreateImageRep(JNIEnv *env, jintArray buffer, jint width, jint height)
	{
	NSBitmapImageRep* imageRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
	pixelsWide:width
	pixelsHigh:height
	bitsPerSample:8
	samplesPerPixel:4
	hasAlpha:YES
	isPlanar:NO
	colorSpaceName:NSDeviceRGBColorSpace
	bitmapFormat:NSAlphaFirstBitmapFormat
	bytesPerRow:width*4 // TODO: use explicit scanStride
	bitsPerPixel:32];

	jint imgData = (jint )[imageRep bitmapData];
	if (imgData == NULL) return 0L;

	jint src = (env)->GetPrimitiveArrayCritical(env, buffer, NULL);
	if (src == NULL) return 0L;

	CImage_CopyArrayIntoNSImageRep(src, imgData, width, height);

	(*env)->ReleasePrimitiveArrayCritical(env, buffer, src, JNI_ABORT);

	return imageRep;
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeCreateNSImageFromArray
	* Signature: ([III)J
	*/
	JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromArray
	(JNIEnv *env, jclass klass, jintArray buffer, jint width, jint height)
	{
	jlong result = 0L;

	JNF_COCOA_ENTER(env);

	NSBitmapImageRep* imageRep = CImage_CreateImageRep(env, buffer, width, height);
	if (imageRep) {
	NSImage *nsImage = [[NSImage alloc] initWithSize:NSMakeSize(width, height)];
	[nsImage addRepresentation:imageRep];
	[imageRep release];

	if (nsImage != nil) {
	CFRetain(nsImage); // GC
	}

	result = ptr_to_jlong(nsImage);
	}

	JNF_COCOA_EXIT(env);

	return result;
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeCreateNSImageFromArrays
	* Signature: ([[I[I[I)J
	*/
	JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromArrays
	(JNIEnv *env, jclass klass, jobjectArray buffers, jintArray widths, jintArray heights)
	{
	jlong result = 0L;

	JNF_COCOA_ENTER(env);

	jsize num = (*env)->GetArrayLength(env, buffers);
	NSMutableArray * reps = [NSMutableArray arrayWithCapacity: num];

	jint * ws = (*env)->GetIntArrayElements(env, widths, NULL);
	jint * hs = (*env)->GetIntArrayElements(env, heights, NULL);

	jsize i;
	for (i = 0; i < num; i++) {
	jintArray buffer = (*env)->GetObjectArrayElement(env, buffers, i);

	NSBitmapImageRep* imageRep = CImage_CreateImageRep(env, buffer, ws[i], hs[i]);
	if (imageRep) {
	[reps addObject: imageRep];
	}
	}

	(*env)->ReleaseIntArrayElements(env, heights, hs, JNI_ABORT);
	(*env)->ReleaseIntArrayElements(env, widths, ws, JNI_ABORT);

	if ([reps count]) {
	NSImage *nsImage = [[NSImage alloc] initWithSize:NSMakeSize(0, 0)];
	[nsImage addRepresentations: reps];

	if (nsImage != nil) {
	CFRetain(nsImage); // GC
	}

	result = ptr_to_jlong(nsImage);
	}

	JNF_COCOA_EXIT(env);

	return result;
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeCreateNSImageFromIconSelector
	* Signature: (I)J
	*/
	JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromIconSelector
	(JNIEnv *env, jclass klass, jint selector)
	{
	NSImage *image = nil;

	JNF_COCOA_ENTER(env);

	IconRef iconRef;
	if (noErr == GetIconRef(kOnSystemDisk, kSystemIconsCreator, selector, &iconRef)) {
	image = [[NSImage alloc] initWithIconRef:iconRef];
	if (image) CFRetain(image); // GC
	ReleaseIconRef(iconRef);
	}

	JNF_COCOA_EXIT(env);

	return ptr_to_jlong(image);
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeCreateNSImageFromFileContents
	* Signature: (Ljava/lang/String;)J
	*/
	JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromFileContents
	(JNIEnv *env, jclass klass, jstring file)
	{
	NSImage *image = nil;

	JNF_COCOA_ENTER(env);

	NSString *path = JNFNormalizedNSStringForPath(env, file);
	image = [[NSImage alloc] initByReferencingFile:path];
	if (image) CFRetain(image); // GC

	JNF_COCOA_EXIT(env);

	return ptr_to_jlong(image);
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeCreateNSImageOfFileFromLaunchServices
	* Signature: (Ljava/lang/String;)J
	*/
	JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageOfFileFromLaunchServices
	(JNIEnv *env, jclass klass, jstring file)
	{
	__block NSImage *image = nil;

	JNF_COCOA_ENTER(env);

	NSString *path = JNFNormalizedNSStringForPath(env, file);
	[ThreadUtilities performOnMainThreadWaiting:YES block:^(){
	image = [[NSWorkspace sharedWorkspace] iconForFile:path];
	[image setScalesWhenResized:TRUE];
	if (image) CFRetain(image); // GC
	}];

	JNF_COCOA_EXIT(env);

	return ptr_to_jlong(image);
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeCreateNSImageFromImageName
	* Signature: (Ljava/lang/String;)J
	*/
	JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromImageName
	(JNIEnv *env, jclass klass, jstring name)
	{
	NSImage *image = nil;

	JNF_COCOA_ENTER(env);

	image = [NSImage imageNamed:JNFJavaToNSString(env, name)];
	if (image) CFRetain(image); // GC

	JNF_COCOA_EXIT(env);

	return ptr_to_jlong(image);
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeCopyNSImageIntoArray
	* Signature: (J[III)V
	*/
	JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeCopyNSImageIntoArray
	(JNIEnv *env, jclass klass, jlong nsImgPtr, jintArray buffer, jint w, jint h)
	{
	JNF_COCOA_ENTER(env);

	NSImage img = (NSImage )jlong_to_ptr(nsImgPtr);
	jint dst = (env)->GetPrimitiveArrayCritical(env, buffer, NULL);
	if (dst) {
	CImage_CopyNSImageIntoArray(img, dst, w, h);
	(*env)->ReleasePrimitiveArrayCritical(env, buffer, dst, JNI_ABORT);
	}

	JNF_COCOA_EXIT(env);
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeGetNSImageSize
	* Signature: (J)Ljava/awt/geom/Dimension2D;
	*/
	JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CImage_nativeGetNSImageSize
	(JNIEnv *env, jclass klass, jlong nsImgPtr)
	{
	jobject size = NULL;

	JNF_COCOA_ENTER(env);

	size = NSToJavaSize(env, [(NSImage *)jlong_to_ptr(nsImgPtr) size]);

	JNF_COCOA_EXIT(env);

	return size;
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeSetNSImageSize
	* Signature: (JDD)V
	*/
	JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeSetNSImageSize
	(JNIEnv *env, jclass clazz, jlong image, jdouble w, jdouble h)
	{
	if (!image) return;
	NSImage i = (NSImage )jlong_to_ptr(image);

	JNF_COCOA_ENTER(env);

	[i setScalesWhenResized:TRUE];
	[i setSize:NSMakeSize(w, h)];

	JNF_COCOA_EXIT(env);
	}

	/*
	* Class: sun_lwawt_macosx_CImage
	* Method: nativeResizeNSImageRepresentations
	* Signature: (JDD)V
	*/
	JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeResizeNSImageRepresentations
	(JNIEnv *env, jclass clazz, jlong image, jdouble w, jdouble h)
	{
	if (!image) return;
	NSImage i = (NSImage )jlong_to_ptr(image);

	JNF_COCOA_ENTER(env);

	NSImageRep *imageRep = nil;
	NSArray *imageRepresentations = [i representations];
	NSEnumerator *imageEnumerator = [imageRepresentations objectEnumerator];
	while ((imageRep = [imageEnumerator nextObject]) != nil) {
	[imageRep setSize:NSMakeSize(w, h)];
	}

	JNF_COCOA_EXIT(env);
	}